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| Gulf Coast (PADD 3) Normal Butane-Butylene Stock Change (Thousand Barrels per Day) | ||||||||
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1981 | -58 | -3 | -1 | 78 | 50 | 25 | 31 | 35 | 70 | -11 | -92 | -132 |
| 1982 | -70 | -64 | -93 | -26 | 36 | 46 | 37 | 39 | 20 | -43 | -76 | -102 |
| 1983 | -79 | -13 | 51 | 78 | 34 | 21 | 58 | 39 | 22 | 33 | -62 | -115 |
| 1984 | -15 | -61 | 18 | 20 | 26 | 13 | 26 | 24 | -39 | -68 | -77 | -43 |
| 1985 | -1 | -4 | -15 | 45 | 42 | 59 | 14 | 23 | -24 | -50 | -40 | -61 |
| 1986 | -7 | -24 | 33 | 28 | 26 | 95 | 96 | 94 | 20 | -72 | -140 | -122 |
| 1987 | -76 | -9 | 23 | 39 | -10 | 74 | 64 | 80 | 44 | -31 | -45 | -111 |
| 1988 | -72 | -42 | 6 | 48 | 43 | 45 | 107 | 96 | 13 | 16 | -79 | -108 |
| 1989 | -71 | -21 | 8 | 32 | 78 | 47 | 74 | 59 | -25 | -78 | -133 | -87 |
| 1990 | -55 | 10 | 56 | 80 | 109 | 110 | 92 | 123 | -97 | -90 | -182 | -90 |
| 1991 | -84 | -42 | 81 | 90 | 122 | 25 | 62 | 97 | -29 | -48 | -126 | -156 |
| 1992 | -127 | -32 | 87 | 154 | 87 | 43 | 51 | 113 | -44 | -57 | -143 | -123 |
| 1993 | -124 | -2 | 79 | 81 | 114 | 71 | 64 | 123 | 6 | -29 | -129 | -143 |
| 1994 | -140 | -89 | 23 | 72 | 82 | 115 | 63 | 60 | -45 | -69 | -89 | -80 |
| 1995 | -86 | -60 | 96 | 64 | 73 | 118 | 108 | 116 | -13 | -105 | -160 | -187 |
| 1996 | -127 | -25 | 58 | 61 | 19 | 61 | 92 | 149 | 35 | -118 | -164 | -105 |
| 1997 | -60 | -65 | 52 | 120 | 100 | 151 | 87 | 113 | -31 | -106 | -117 | -217 |
| 1998 | -89 | -13 | 52 | 110 | 127 | 126 | 91 | 115 | 37 | -113 | -175 | -167 |
| 1999 | -130 | -23 | 40 | 85 | 153 | 88 | 108 | 97 | -87 | -145 | -50 | -209 |
| 2000 | -83 | -74 | 46 | 55 | 94 | 69 | 88 | 76 | 33 | -161 | -77 | -119 |
| 2001 | -82 | -6 | 54 | 69 | 87 | 105 | 82 | 119 | 22 | -80 | -105 | -101 |
| 2002 | -100 | -36 | 37 | 75 | 64 | 87 | 76 | 109 | -35 | -54 | -130 | -120 |
| 2003 | -93 | -81 | 13 | 40 | 80 | 105 | 38 | 33 | -36 | -23 | -70 | -91 |
| 2004 | -53 | -35 | 26 | 19 | 111 | 97 | 122 | 129 | -20 | -84 | -146 | -101 |
| 2005 | -98 | -56 | 36 | 158 | 175 | 139 | 159 | 68 | -144 | -149 | -186 | -126 |
| 2006 | -98 | -7 | 7 | 85 | 89 | 90 | 77 | 78 | -14 | -37 | -127 | -139 |
| 2007 | -109 | -73 | 33 | 52 | 110 | 107 | 37 | 59 | -9 | -99 | -155 | -95 |
| 2008 | -55 | 10 | 49 | 113 | 135 | 97 | 59 | 69 | 31 | -147 | -137 | -131 |
| 2009 | -124 | -11 | 68 | 134 | 130 | 84 | 90 | 109 | -37 | -81 | -184 | -131 |
| 2010 | -102 | -51 | 44 | 69 | 70 | 138 | 82 | 95 | 5 | -41 | -138 | -171 |
| 2011 | -7 | -69 | 28 | 65 | 82 | 84 | 116 | 86 | -45 | -79 | -150 | -141 |
| 2012 | -75 | -23 | 65 | 107 | 158 | 186 | 136 | 74 | -6 | -136 | -196 | -152 |
| 2013 | -102 | -79 | ||||||||||
| - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. |
| Release Date: 4/29/2013 |
| Next Release Date: Last Week of May 2013 |